.html-viewer-page {
  position: absolute;
  left: 20px;
  right: 20px;
  top: 40px;
  bottom: 40px;
  z-index: 5;
  user-select: text;
}
.scrolling-html-viewer-page {
  overflow-y: auto;
  overflow-x: auto;
  /* 设置滚动条样式 */
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
}

/* WebKit 浏览器滚动条样式 */
.scrolling-html-viewer-page::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.scrolling-html-viewer-page::-webkit-scrollbar-track {
  background: transparent;
}

.scrolling-html-viewer-page::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

/* 鼠标悬停时显示滚动条 */
.scrolling-html-viewer-page:hover {
  scrollbar-color: #ccc transparent;
}

.scrolling-html-viewer-page:hover::-webkit-scrollbar-thumb {
  background: #ccc;
}

.scrolling-html-viewer-page:hover::-webkit-scrollbar-thumb:hover {
  background: #ccc;
}

.popup-menu-container {
  position: absolute;
  left: 100px;
  top: 100px;
  z-index: 20;
  animation: popup 0.075s ease-in-out 0s 1;
}
.bookmark {
  height: 40px;
  width: 20px;
  padding: 0px;
  -webkit-transform: rotate(0deg) skew(0deg);
  transform: rotate(0deg) skew(0deg);
  border-left: 10px solid red;
  border-right: 10px solid red;
  border-bottom: 10px solid transparent;
  position: fixed;
  top: 5px;
  right: 70px;
  z-index: 15;
}
.bookmark,
.bookmark:before,
.bookmark:after {
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
}
.spinner {
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -150px;
  margin-top: -50px;
}
